Different users have different needs for Vista nature, and individual users are more concerned about the beauty of the Aero effect, and enterprise users are more concerned about the security performance of Vista, while Windows Enterprise Vista (Enterprise version) and Windows Ultimate Vista (the flagship version) provides a standard component called "BitLocker" that provides unprecedented security protection for this segment of users.
First, install BitLocker update for System
Go to the Windows Update window, select View available updates, tick the BitLocker and EFS enhancements check box, and then click the Install button in the lower-right corner, as shown in Figure 1.
Figure 1
A moment later, the system downloads and installs the update automatically, as shown in Figure 2.
Figure 2
After the update installation is complete, we can see the two update of BitLocker Drive preparation Tool (KB933246) and Secure Online Key Backup () KB932926) in the Installed Updates list box. As shown in Figure 3.
Figure 3